Tube-number record
GL-6019
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BrandGeneral Electric
ClassTransmitting Tube
BaseCoaxial
Filament6.3 V @ 24000 mA
Construction
Primary TypeTetrode
EnvelopeMetal-and-ceramic
Base MaterialGold-over-silver-plated metal
SectionsSingle
Filament / Heater
Heater NotesStarting current: 36000 mA; Cold resistance: 0.022 Ohms
Absolute Maximum Ratings
Plate Voltage4000 V
Plate Dissipation2000 W
Grid 2 Voltage600 V
Grid 1 Voltage-150 V
Cathode Current700 mA
Audio Performance
Power Output1200 W
Key Features
- Metal-and-ceramic envelope
- Integral water jacket
- Thoria coated cathode
- Gold-over-silver-plated external parts
- Ring-seal construction
- Grounded-grid operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class B Television Service (Synchronizing Level) | 3500 V | — | — | 10 | 520 mA |
| Class C Telegraphy | 4000 V | — | — | 10 | 550 mA |
Application Notes
Designed for use as a power amplifier or oscillator in grounded-grid circuits with both grids maintained at radio-frequency ground potential. Adaptable to dielectric heating and broadband television amplification up to 900 megacycles. Cooling is achieved via water and forced air.
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